Understand transformer energization inrush, second-harmonic restraint, waveform blocking, CT saturation, sympathetic inrush, modern relays, and commissioning.
Power Transformer Inrush Restraint in Differential Protection Read More »
Learn how converter-side and grid-side inductors, resonance, damping, grid impedance, saturation, harmonics, thermal limits, and control interact.
LCL Filter Inductor Design for Grid-Tied Inverters Read More »
Understand how surge source, X and Y capacitors, chokes, leakage inductance, arresters, grounding, insulation, and parasitic paths determine filter stress.
Surge Current Paths Through EMI Filters and Common-Mode Chokes Read More »
See how transformer manufacturers control mandrel geometry, wear, tension, springback, insulation build, coil dimensions, fixtures, and traceability.
How Transformer Manufacturers Control Winding Mandrels and Coil Dimensions Read More »
SiC and GaN power converters allow higher switching frequency and faster transitions, but they also raise the requirements for high frequency transformer design. BaoHui Tech reviews these projects by looking at dv/dt stress, winding capacitance, insulation system, leakage inductance, thermal rise, EMI behavior, and production repeatability. Fast Switching Changes Transformer Requirements Wide bandgap devices can
High Frequency Transformer Design for SiC and GaN Power Converters Read More »
Power transformer load testing confirms how a transformer behaves under real electrical stress, not only at no load. BaoHui Tech uses load-related validation to review voltage regulation, temperature rise, efficiency, winding resistance, mechanical stability, and production consistency. Why No-Load Testing Is Not Enough No-load current and turns ratio can confirm important basics, but they do
Power Transformer Load Testing: What Buyers Should Ask For Read More »
Coupled inductors are used in some multi-output power supplies to improve current sharing, ripple behavior, or cross regulation. BaoHui Tech reviews coupled inductor projects by looking at winding polarity, coupling factor, current stress, core saturation, thermal rise, insulation, and the control strategy of the converter. Why Coupling Changes Circuit Behavior Unlike separate inductors, coupled inductors
Coupled Inductors in Multi-Output Power Supply Design Read More »
Medical and laboratory power equipment often requires stable isolation, low noise, controlled leakage current, predictable thermal behavior, and clear documentation. BaoHui Tech reviews transformer design for these applications with attention to safety, measurement stability, EMI, acoustic noise, and production traceability. Isolation and Leakage Current Are Central Equipment used near sensitive instruments or people may require
Transformer Design for Medical and Laboratory Power Equipment Read More »
First article samples are the bridge between engineering design and repeatable transformer manufacturing. BaoHui Tech uses first article validation to confirm that the sample matches the drawing, materials, winding process, electrical requirements, mechanical dimensions, and customer expectations before regular production. What First Article Validation Should Prove A first article is not only a functional sample.
How Transformer Manufacturers Validate First Article Samples Read More »
Server power supplies push high frequency transformer design toward high power density, high efficiency, controlled EMI, and repeatable manufacturing. BaoHui Tech reviews these projects by looking at topology, switching frequency, input range, thermal path, insulation requirement, and the mechanical envelope inside the power module. Power Density Changes the Design Priorities A compact server power supply
High Frequency Transformer Design for Server Power Supplies Read More »